Introduction at Nigerian Turkish Nile University | Flashcards & Summaries

# Lernmaterialien für Introduction an der Nigerian Turkish Nile University

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difference between parameter and statistic

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A statistic is a characteristic of a sample while a parameter is a characteristic of a population.

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Method of data collection
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• Personal interview
• Group discussions or interviews
• Experiment
• Direct observation
• Use of questionnaire
• Use of telephone
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types of data

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1. primary data
2. secondary data
3. panel data/ pooled data
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types of categorical variables

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• nominal and
• ordinal
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What to do when values on the table do not align and when class size is a decimal
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You count from the next number after the one being considered and you approximate the class size you have obtained
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Methods of data presentation
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• Textual method of data presentation
• Tabular method of data presentation
• Semi-tabular method of data presentation
• Graphical/chart method of data presentation
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Sources of secondary data
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Research agencies: like NBS, CBN, world bank, MAN
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Singular of data
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Datum
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Constant language
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An event or occurrence which does not change over a given period of time. It assumes the same value over a range of observations
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Continuous variable
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These are real numbers, rational numbers and irrational numbers. These ones change
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Data language
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These are numbers or measurements of variables which are collected as a result of observation
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Sources of primary data
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• Sales statistics
• Supply statistics
• Production statistics
• Financial (cost) statistics
• Personnel statistics
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• 4516 Karteikarten
• 27 Studierende
• 6 Lernmaterialien

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Q:

difference between parameter and statistic

A:

A statistic is a characteristic of a sample while a parameter is a characteristic of a population.

Q:
Method of data collection
A:
• Personal interview
• Group discussions or interviews
• Experiment
• Direct observation
• Use of questionnaire
• Use of telephone
Q:

types of data

A:
1. primary data
2. secondary data
3. panel data/ pooled data
Q:

types of categorical variables

A:
• nominal and
• ordinal
Q:
What to do when values on the table do not align and when class size is a decimal
A:
You count from the next number after the one being considered and you approximate the class size you have obtained
Q:
Methods of data presentation
A:
• Textual method of data presentation
• Tabular method of data presentation
• Semi-tabular method of data presentation
• Graphical/chart method of data presentation
Q:
Sources of secondary data
A:
Research agencies: like NBS, CBN, world bank, MAN
Q:
Singular of data
A:
Datum
Q:
Constant language
A:
An event or occurrence which does not change over a given period of time. It assumes the same value over a range of observations
Q:
Continuous variable
A:
These are real numbers, rational numbers and irrational numbers. These ones change
Q:
Data language
A:
These are numbers or measurements of variables which are collected as a result of observation
Q:
Sources of primary data
A:
• Sales statistics
• Supply statistics
• Production statistics
• Financial (cost) statistics
• Personnel statistics

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